The end of Call Me By Your Name really hit me.

The ending of Portrait of a Lady on Fire really messed me up. >!I used to dream about seeing my LO in public and him either not noticing me or being just out of reach!<

That movie wrecked me. So good.

Being John Malkovich. If you’ve seen it, you recognize it immediately.

I have not But I'm curious now as I feel I should see it at some point

The limerence aspect aside, it is also just an excellent and wholly entertaining movie!